Vulnerabilities > Cisco > IOS > 12.2.6.i1

DATE CVE VULNERABILITY TITLE RISK
2023-03-23 CVE-2023-20080 Improper Validation of Array Index vulnerability in Cisco IOS and IOS XE
A vulnerability in the IPv6 DHCP version 6 (DHCPv6) relay and server features of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to trigger a denial of service (DoS) condition.
network
low complexity
cisco CWE-129
7.5
2022-10-10 CVE-2022-20920 Improper Handling of Exceptional Conditions vulnerability in Cisco IOS
A vulnerability in the SSH implementation of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause an affected device to reload.
network
low complexity
cisco CWE-755
7.7
2021-09-23 CVE-2021-1620 Missing Release of Resource after Effective Lifetime vulnerability in Cisco IOS
A vulnerability in the Internet Key Exchange Version 2 (IKEv2) support for the AutoReconnect feature of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to exhaust the free IP addresses from the assigned local pool.
network
low complexity
cisco CWE-772
7.7
2021-09-23 CVE-2021-34699 Interpretation Conflict vulnerability in Cisco IOS and IOS XE
A vulnerability in the TrustSec CLI parser of Cisco IOS and Cisco IOS XE Software could allow an authenticated, remote attacker to cause an affected device to reload.
network
low complexity
cisco CWE-436
7.7
2021-09-23 CVE-2021-34703 Improper Initialization vulnerability in Cisco IOS
A vulnerability in the Link Layer Discovery Protocol (LLDP) message parser of Cisco IOS Software and Cisco IOS XE Software could allow an attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition.
network
low complexity
cisco CWE-665
6.5
2021-03-24 CVE-2021-1391 Leftover Debug Code vulnerability in Cisco IOS and IOS XE
A vulnerability in the dragonite debugger of Cisco IOS XE Software could allow an authenticated, local attacker to escalate from privilege level 15 to root privilege.
local
low complexity
cisco CWE-489
6.7
2021-03-24 CVE-2021-1377 Unspecified vulnerability in Cisco IOS and IOS XE
A vulnerability in Address Resolution Protocol (ARP) management of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to prevent an affected device from resolving ARP entries for legitimate hosts on the connected subnets.
network
low complexity
cisco
5.8
2020-06-03 CVE-2020-3230 Improper Input Validation vulnerability in Cisco IOS
A vulnerability in the Internet Key Exchange Version 2 (IKEv2) implementation in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to prevent IKEv2 from establishing new security associations.
network
low complexity
cisco CWE-20
5.0
2020-06-03 CVE-2020-3228 Improper Input Validation vulnerability in Cisco IOS
A vulnerability in Security Group Tag Exchange Protocol (SXP) in Cisco IOS Software, Cisco IOS XE Software, and Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition.
network
low complexity
cisco CWE-20
7.8
2020-06-03 CVE-2020-3217 Improper Input Validation vulnerability in Cisco products
A vulnerability in the Topology Discovery Service of Cisco One Platform Kit (onePK) in Cisco IOS Software, Cisco IOS XE Software, Cisco IOS XR Software, and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to execute arbitrary code or cause a denial of service (DoS) condition on an affected device.
low complexity
cisco CWE-20
8.3